| article html file updated | 14 August 2026 00:19 CEST | Update | https://www.mdpi.com/2073-4425/6/3/469 |
| article html file updated | 29 August 2025 21:53 CEST | Update | N/A |
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| article html file updated | 6 February 2020 20:14 CET | Update | N/A |
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| article html file updated | 28 September 2015 11:54 CEST | Update | N/A |
| article xml file uploaded | 28 September 2015 11:54 CEST | Update | https://www.mdpi.com/2073-4425/6/3/469/xml |
| article html file updated | 24 September 2015 11:58 CEST | Update | N/A |
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| article html file updated | 21 August 2015 14:19 CEST | Original file | N/A |
| article pdf uploaded. | 13 July 2015 08:34 CEST | Updated version of record | https://www.mdpi.com/2073-4425/6/3/469/pdf |
| article pdf uploaded. | 30 June 2015 16:55 CEST | Version of Record | https://www.mdpi.com/2073-4425/6/3/469/pdf-vor |
